ProPrint Compatible Dell E310 E515 (593-BBKD) High Yield Black Toner Cartridge LIFE TIME WARRANTY - 100% Quality Guarantee for the life of the cartridge. Best Warranty in the Industry ProPrint Compatible Dell E310 E514 E515 Toner Cartridges are High Quality OEM Replacement Cartridges That Provide Up to 60% Savings Compared to the OEM Page Yield: 2600 Pages Black Based on 5% Coverage All ProPrint Cartridges are Manufacture According to ISO 9001 and ISO 14001 Standards to ensure Quality and Performance Compatible with Dell Laser Printer E310dw, E514dw, E515dw, E515dw